lunck_numbers = [4, 8, 15, 16, 23, 42]
friends = ["0Alan", "1Bob", "2Casha", "3Delen", "4fred", "5Gim", "6Helan"]
friends.extend(lunck_numbers)
print(friends)

lunck_numbers = [4, 8, 15, 16, 23, 42]
friends = ["0Alan", "1Bob", "2Casha", "3Delen", "4fred", "5Gim", "6Helan"]
friends.append("7Iral")
print(friends)

lunck_numbers = [4, 8, 15, 16, 23, 42]
friends = ["0Alan", "1Bob", "2Casha", "3Delen", "4fred", "5Gim", "6Helan"]
friends.insert(1, "11bob")
print(friends)

lunck_numbers = [4, 8, 15, 16, 23, 42]
friends = ["0Alan", "1Bob", "2Casha", "3Delen", "4fred", "5Gim", "6Helan"]
friends.remove("6Helan")
print(1)
print(friends)

lunck_numbers = [4, 8, 15, 16, 23, 42]
friends = ["0Alan", "1Bob", "2Casha", "3Delen", "4fred", "5Gim", "6Helan"]
friends.pop()
print(2)
print(friends)

lunck_numbers = [4, 8, 15, 16, 23, 42]
friends = ["0Alan", "1Bob", "2Casha", "3Delen", "4fred", "5Gim", "6Helan"]
friends.clear()
print(friends)

lunck_numbers = [4, 8, 15, 16, 23, 42]
friends = ["0Alan", "1Bob", "2Casha", "3Delen", "4fred", "5Gim", "6Helan"]
print(friends.index("4fred"))

lunck_numbers = [4, 8, 15, 16, 23, 42]
friends = ["0Alan", "1Bob", "2Casha", "2Casha", "2Casha", "3Delen", "4fred", "5Gim", "6Helan"]
print(friends.count("2Casha"))

lunck_numbers = [42, 4, 8, 15, 16, 23]
friends = ["7Alan", "1Bob", "2Casha", "2Casha", "2Casha", "3Delen", "4fred", "5Gim", "6Helan"]
friends.sort()
print(friends)

lunck_numbers = [42, 4, 8, 15, 16, 23]
print(lunck_numbers)

lunck_numbers.reverse()
print(lunck_numbers)

lunck_numbers.sort()
print(lunck_numbers)

lunck_numbers.reverse()
print(lunck_numbers)

print("\n------\n")
friends2 = friends.copy()
print(friends2)